need measurements of drive shafts

[mcmlxix]

I am looking for the length and diameter of some one piece drive shafts. Also if they step down at the ends?
1. On a SWB with TH350/v8:
...a. Length from center of U-joint to center of U-joint
...b. Length from weld at front of shaft to where it gets wider
2. On a LWB with TH350/v8?
...a. Length from center of U-joint to center of U-joint
...b. Length from weld at front of shaft to where it gets wider